METHOD OF REMOVAL OF PHENYLHYDRAZIDE PROTECTIVE GROUP BLOCKING CARBOXYLIC FUNCTION Russian patent published in 1995 - IPC

Abstract RU 2035470 C1

FIELD: organic chemistry. SUBSTANCE: method involves catalytic oxidation of phenylhydrazide group with air oxygen by copper (II) complex effect with low-molecular nitrogen-containing organic ligands at molar ratio from 1: 1 to 1:500, at pH from 4.0 to 6.5. EFFECT: improved method of process. 5 dwg, 1 tbl

Similar patents RU2035470C1

Title	Year	Author	Number
METHOD OF SYNTHESIS OF DES-GLY-10,/D-LEY-6/-LH-RH-ETHYLAMIDE	1994	Semenov A.N. Makarova N.P. Leonidov M.F.	RU2074191C1
LIGHT BEER "RAUSH" AND METHOD OF ITS PRODUCTION	1995	Lebedev A.D.	RU2123033C1
FOOD ADDITION ENRICHED WITH TRACE ELEMENTS FOR ANIMALS, FISHES AND POULTRY AND A METHOD OF ITS PREPARING	1993	Belov A.P. Gololobov A.D. Davidov E.R. Nikonova E.S. Toneva-Davidova E.G.	RU2056762C1
RGD-CONTAINING PEPTIDES	2001	Samukov V.V. Pozdnjakov P.I. Som Prantika Zamora Pol	RU2214416C2
BIOTIN DERIVATIVES, METHOD OF THEIR SYNTHESIS, PHARMACEUTICAL COMPOSITIONS AND METHOD OF THEIR PREPARING	1996	Al'Fred Jonchik Simon Goodman Beate Difenbakh Khorst Kessler Dirk Finzinger	RU2171807C2
PROTECTIVE MEMBER OF CUTTING TOOL	1995	Kostjuchenko A.V.	RU2123594C1
METHOD OF HIGHER ALCOHOL ASSAY	1991	Persijanova T.B. Sokolov Ju.I. Avtomonova T.N. Davidov E.R. Avetisova S.M. Popova L.A.	RU2014360C1
HARD-ALLOY NOSE OF ROTATING CUTTING TOOL	1994	Kostjuchenko A.V.	RU2087709C1
SORBENT FOR HEAVY METALS AND RADIOACTIVE ISOTOPES	1990	Davidov E.R. Davidova E.G. Kasparova S.G. Beregovykh V.V.	RU2026824C1
METHOD OF CULTURING FUNGI OF GENUS MONASCUS	1994	Toneva-Davidova E.G. Uvarov I.P. Belov A.P. Zinchenko G.A. Davidov E.R.	RU2127755C1

RU 2 035 470 C1

Authors

Semenov A.N.

Lomonosova I.V.

Dates

1995-05-20—Published

1992-07-06—Filed